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OPA4350EA250 Datasheet(PDF) 3 Page - Texas Instruments |
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OPA4350EA250 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 28 page OPA350 OPA2350 OPA4350 SBOS099C − SEPTEMBER 2000 − REVISED JANUARY 2005 www.ti.com 3 ELECTRICAL CHARACTERISTICS: VS = 2.7V to 5.5V Boldface limits apply over the temperature range, TA = −40°C to +85°C. VS = 5V. All specifications at TA = +25°C, RL = 1kΩ connected to VS/2 and VOUT = VS/2, unless otherwise noted. OPA350, OPA2350, OPA4350 PARAMETER TEST CONDITIONS MIN TYP(1) MAX UNIT OFFSET VOLTAGE Input Offset Voltage VOS VS = 5V ±150 ±500 µV TA = −40°C to +85°C ±1 mV vs Temperature TA = −40°C to +85°C ±4 µV/°C vs Power-Supply Rejection Ratio PSRR VS = 2.7V to 5.5V, VCM = 0V 40 150 µV/V TA = −40°C to +85°C VS = 2.7V to 5.5V, VCM = 0V 175 µV/V Channel Separation (dual, quad) dc 0.15 µV/V INPUT BIAS CURRENT Input Bias Current IB ±0.5 ±10 pA vs Temperature See Typical Characteristics Input Offset Current IOS ±0.5 ±10 pA NOISE Input Voltage Noise, f = 100Hz to 400kHz 4 µVrms Input Voltage Noise Density, f = 10kHz en 7 nV/ √Hz Input Current Noise Density, f = 100kHz 5 nV/ √Hz Current Noise Density, f = 10kHz in 4 fA/ √Hz INPUT VOLTAGE RANGE Common-Mode Voltage Range VCM TA = −40°C to +85°C −0.1 (V+) + 0.1 V Common-Mode Rejection Ratio CMRR VS = 2.7V, −0.1V < VCM < 2.8V 66 84 dB VS = 5.5V, −0.1V < VCM < 5.6V 74 90 dB TA = −40°C to +85°C VS = 5.5V, −0.1V < VCM < 5.6V 74 dB INPUT IMPEDANCE Differential 1013 || 2.5 Ω || pF Common-Mode 1013 || 6.5 Ω || pF OPEN-LOOP GAIN Open-Loop Voltage Gain AOL RL = 10kΩ, 50mV < VO < (V+) −50mV 100 122 dB TA = −40°C to +85°C RL = 10kW, 50mV < VO < (V+) −50mV 100 dB RL = 1kΩ, 200mV < VO < (V+) −200mV 100 120 dB TA = −40°C to +85°C RL = 1kW, 200mV < VO < (V+) −200mV 100 dB FREQUENCY RESPONSE CL = 100pF Gain-Bandwidth Product GBW G = 1 38 MHz Slew Rate SR G = 1 22 V/ µs Settling Time: 0.1% G = ±1, 2V Step 0.22 µs 0.01% G = ±1, 2V Step 0.5 µs Overload Recovery Time VIN • G = VS 0.1 µs Total Harmonic Distortion + Noise THD+N RL = 600Ω, VO = 2.5VPP(2), G = 1, f = 1kHz 0.0006 % Differential Gain Error G = 2, RL = 600Ω, VO = 1.4V(3) 0.17 % Differential Phase Error G = 2, RL = 600Ω, VO = 1.4V(3) 0.17 deg (1) VS = +5V. (2) VOUT = 0.25V to 2.75V. (3) NTSC signal generator used. See Figure 6 for test circuit. (4) Output voltage swings are measured between the output and power supply rails. (5) See typical characteristic curve, Output Voltage Swing vs Output Current. |
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